Find the surface area of the triangular prism shown below. 12,8,10,10,14​

What is the slope of the line shown below?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.